Home / 723,421.13-1,085,026.04-210,948.55

Finding the Fourth Proportional to 723,421.13, 1,085,026.04 and 210,948.55

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Solution

The fourth proportional to 723,421.13, 1,085,026.04 and 210,948.55 is: 316,392.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,421.13 : 1,085,026.04 = 210,948.55 : x
  2. Step 2: Convert to fraction form
    723,421.13/1,085,026.04 = 210,948.55/x
  3. Step 3: Cross multiply
    723,421.13x = 1,085,026.04 × 210,948.55
  4. Step 4: Simplify right side
    723,421.13x = 228,884,670,377.61
  5. Step 5: Solve for x
    x = 228,884,670,377.61/723,421.13
  6. Step 6: Final answer
    x = 316,392.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.